<h3>类型</h3>
<h4>圆角图片</h4>
<p><code>.img-rounded</code></p>
<div class="example"><img src="img/img2.jpg" width="200px" height="200px"
class="img-rounded" alt=""></div>
<h4>圆形图片</h4>
<p><code>.img-circle</code></p>
<div class="example"><img src="img/img2.jpg" width="200px" height="200px"
class="img-circle" alt=""></div>
<h4>缩略图</h4>
<p><code>.img-thumbnail</code></p>
<div class="example"><img src="img/img2.jpg" width="200px" height="200px"
class="img-thumbnail" alt=""></div>
<h3>参数</h3>
<h4>响应式图片</h4>
<p>图片最大宽度将不会超过父级容器。<code>.img-responsive</code></p>
<div style="width: 250px;" class="example panel"><img src="img/img2.jpg" class=
"img-responsive" alt=""></div>
